Home / 93,329.20-139,957.40-40,702.80

Finding the Fourth Proportional to 93,329.20, 139,957.40 and 40,702.80

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Solution

The fourth proportional to 93,329.20, 139,957.40 and 40,702.80 is: 61,038.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,329.20 : 139,957.40 = 40,702.80 : x
  2. Step 2: Convert to fraction form
    93,329.20/139,957.40 = 40,702.80/x
  3. Step 3: Cross multiply
    93,329.20x = 139,957.40 × 40,702.80
  4. Step 4: Simplify right side
    93,329.20x = 5,696,658,060.72
  5. Step 5: Solve for x
    x = 5,696,658,060.72/93,329.20
  6. Step 6: Final answer
    x = 61,038.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.